OP08: Distribution of observation period records per person

Counts the number of observation period records (observation_period_id) for all persons: the mean, the standard deviation, the minimum, the 25th percentile, the median, the 75th percentile, the maximum and the number of missing values. There is no input required for this query.

Input:

<None>

Sample query run:
The following is a sample run of the query.Oracle only